Cleaning brush



FIG. 1 is a front, left and bottom perspective view of the cleaningbrush showing the new design;

FIG. 2 is a front elevation view thereof, the rear elevation view beinga mirrored image thereof;

FIG. 3 is a left side elevation view thereof, the right side elevationview being a mirrored image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a cross-sectional view taken along the line indicated in FIG.4.

The broken line showing of the cleaning brush is for the purpose ofillustrating portions of the cleaning brush and forms no part of theclaimed design.

CLAIM The ornamental design for a cleaning brush, as shown anddescribed.